thumb|Batida stand in Brazil Batida is a Brazilian cocktail, and is one of several Brazilian cocktails that are made with the national alcoholic drink cachaça. In Portuguese batida means shaken or mil
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14b91332497b52b28e0578d37dafc46eca897d8060c1fe0af47bd90cdae240c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a456590-6b01-4c32-93b3-1e1397786daa.json and https://artists.proofprofile.net/proofs/artist/2a456590-6b01-4c32-93b3-1e1397786daa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd019be9a4d977049143c75d2d14584d0faf3fee182c9e4943b2b7c2eeca9f8c5. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fb53f57aa18f73d5c1235b5b92811e3322f8be3d9e2483d932c313dd2dd2ae1. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T03:03:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03862ea2bbffacc4a24379318f1f6344c9efa324fc2c5ad96cda5c5ca84d38d1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1400069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023831fa50bfb5bc24e696a51cc95ecddf9b10afe0ede39e0e5560f88faa8db9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1400074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9508d18c268de49857aea878895d8b4f45c7bccb237eba89c44afb8d95494d6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1400075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556d34326ba9f426506d0eb61b8b6bead800232c9706e93559b5a8da2d09810e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUQH1400077.
Batida Apresenta: The Almost Perfect Dj Vol. 1
Batida Apresenta: The Almost Perfect Dj Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ab06bd3ce27b0df87a1d81dd193af72a35dce39c81ea23ee54a291776574f3. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52200210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ded1d84367fa44106def5c0ca294be77ba83f7f3a1d0748cbc633747bd2c68. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52200230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee6d1e3e92255f3ac46ece217211c59a1a243b942c84c64bb810dabf71b9b32. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52200240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee6d1e3e92255f3ac46ece217211c59a1a243b942c84c64bb810dabf71b9b32. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52200240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee6d1e3e92255f3ac46ece217211c59a1a243b942c84c64bb810dabf71b9b32. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52200240.
Tem Dor (Africa de Itamaracá) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7203b4a44e80f58a947b8a40979b5157dfb41a4083b8cec1f3fb3b2b6e93a3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52300510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d81c0ca6a42d86b37865093fdfc304c896ad378b69ea2fbee5cb36659a05f4. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BE6F52400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91aae11e074928934f622ce53950073604ee05983f7108bb42158e7e6a9df53f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR4PS2000020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9ef6b074a83460399dc6f33ce7fb0cc677eb3fcb8463d26a9f3b798a1df384. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4EO2100055.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275c01653013d592a046e1de7cface89f86753dfe558ad71394f0aec07c55d0a. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USS441200026.